{"created":"2023-06-20T15:08:35.891593+00:00","id":38087,"links":{},"metadata":{"_buckets":{"deposit":"4f01a922-527a-4750-a077-95aa20da9e78"},"_deposit":{"created_by":1,"id":"38087","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"38087"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00038087","sets":["1887:1891","1896:1898:1913:1915"]},"author_link":["431639","431637","431632","431636","431634","431633","431638","431635"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Study on aerodynamic mechanism of hovering insects: Numerical simulation and evaluation by experiments"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-01","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"302","bibliographicPageStart":"297","bibliographicVolumeNumber":"53","bibliographic_titles":[{"bibliographic_title":"航空宇宙技術研究所特別資料: 航空宇宙数値シミュレーション技術シンポジウム2001論文集"},{"bibliographic_title":"Special Publication of National Aerospace Laboratory: Proceedings of Aerospace Numerical Simulation Symposium 2001","bibliographic_titleLang":"en"}]}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"In order to clarify the fundamental mechanism of the hovering flight of a dragonfly, the numerical simulation of unsteady viscous flow around a tandem airfoil configuration oscillating in still air has been conducted by using a two-dimensional Navier-Stokes code. It is shown that the mutual flow interactions between the fore-and hind- airfoils are playing the dominant role in generating the time mean aerodynamic force acting in the direction of the stoke-plane, which is indispensable for the dragonfly to hover with the body axis horizontal. Total amounts of the lifting force and the necessary power are also estimated and shown to be very close to those estimated by other researchers. In order to validate this numerical simulation, the experimental flow visualization around the tandem airfoil configuration has been performed in the water by using the electrolytic precipitation method. It has been shown that the flow patterns obtained are very close to those predicted by the numerical simulation. The total time mean aerodynamic force predicted by the numerical simulation has also been evaluated by using a dragonfly robot machine which can hover in the water, validating that the numerical prediction of the total lifting force is within the error of about 12 percent.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0032819051","subitem_description_type":"Other"}]},"item_5_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: NAL SP-53","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"航空宇宙技術研究所"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"National Aerospace Laboratory (NAL)"}]},"item_5_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0289-260X","subitem_source_identifier_type":"ISSN"}]},"item_5_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10097345","subitem_source_identifier_type":"NCID"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州大学 大学院工学研究院"},{"subitem_text_value":"九州大学 大学院工学研究院"},{"subitem_text_value":"九州大学 大学院工学研究院"},{"subitem_text_value":"九州大学 大学院工学研究院"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Kyushu University Graduate School of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kyushu University Graduate School of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kyushu University Graduate School of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kyushu University Graduate School of Engineering"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"磯貝, 紘二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山崎, 正秀"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"宇塚, 智"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"齋藤, 拓"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Isogai, Koji","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yamasaki, Masahide","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Uzaka, Satoshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Saito, Taku","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-24"}],"displaytype":"detail","filename":"nalsp0053050.pdf","filesize":[{"value":"1.5 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"nalsp0053050.pdf","url":"https://jaxa.repo.nii.ac.jp/record/38087/files/nalsp0053050.pdf"},"version_id":"a159ec22-7271-4b60-aa5a-d83b8d94ede5"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"遊泳する昆虫","subitem_subject_scheme":"Other"},{"subitem_subject":"トンボ","subitem_subject_scheme":"Other"},{"subitem_subject":"空力特性","subitem_subject_scheme":"Other"},{"subitem_subject":"数値シミュレーション","subitem_subject_scheme":"Other"},{"subitem_subject":"粘性流","subitem_subject_scheme":"Other"},{"subitem_subject":"流れの可視化","subitem_subject_scheme":"Other"},{"subitem_subject":"hovering insect","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"dragonfly","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"aerodynamic characteristic","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"numerical simulation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"viscous flow","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"flow visualization","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference 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